var Lightbox={init:function(l,h,b,i,c,d,f,e,a,k,g){this.options={};this.options.resizeDuration=c;this.options.resizeTransition=d;this.options.initialWidth=250;this.options.initialHeight=250;this.options.animateCaption=true;this.options.previousLinkImage=i;this.options.nextLinkImage=b;this.options.closeLinkImage=h;this.options.loadingImage=l;this.options.imageNrDesc=f;this.options.imageNrSep=e;this.options.nextKeys=a;this.options.prevKeys=k;this.options.closeKeys=g;this.anchors=[];$each(document.links,function(m){if(m.rel&&m.rel.test(/^lightbox/i)){m.onclick=this.click.pass(m,this);this.anchors.push(m)}},this);this.eventKeyDown=this.keyboardListener.bindAsEventListener(this);this.eventPosition=this.position.bind(this);this.overlay=new Element("div").setProperty("id","lbOverlay").injectInside(document.body);this.center=new Element("div").setProperty("id","lbCenter").setStyles({width:this.options.initialWidth+"px",height:this.options.initialHeight+"px",marginLeft:"-"+(this.options.initialWidth/2)+"px",display:"none",background:"#fff url("+this.options.loadingImage+") no-repeat center"}).injectInside(document.body);this.image=new Element("div").setProperty("id","lbImage").injectInside(this.center);this.prevLink=new Element("a").setProperties({id:"lbPrevLink",href:"#"}).setStyle("display","none").injectInside(this.image);this.nextLink=this.prevLink.clone().setProperty("id","lbNextLink").injectInside(this.image);this.prevLink.onclick=this.previous.bind(this);this.prevLink.setProperty("onmouseover",'this.style.backgroundImage="url('+this.options.previousLinkImage+')"; this.style.backgroundRepeat="no-repeat"; this.style.backgroundPosition="left 15%";');var i=this.options.previousLinkImage;this.prevLink.onmouseover=function(){this.style.backgroundImage="url("+i+")";this.style.backgroundRepeat="no-repeat";this.style.backgroundPosition="left 15%"};this.prevLink.setProperty("onmouseout",'this.style.backgroundImage="";');this.prevLink.onmouseout=function(){this.style.backgroundImage=""};this.nextLink.onclick=this.next.bind(this);this.nextLink.setProperty("onmouseover",'this.style.backgroundImage="url('+this.options.nextLinkImage+')"; this.style.backgroundRepeat="no-repeat"; this.style.backgroundPosition="right 15%";');var b=this.options.nextLinkImage;this.nextLink.onmouseover=function(){this.style.backgroundImage="url("+b+")";this.style.backgroundRepeat="no-repeat";this.style.backgroundPosition="right 15%"};this.nextLink.setProperty("onmouseout",'this.style.backgroundImage="";');this.nextLink.onmouseout=function(){this.style.backgroundImage=""};this.bottomContainer=new Element("div").setProperty("id","lbBottomContainer").setStyle("display","none").injectInside(document.body);this.bottom=new Element("div").setProperty("id","lbBottom").injectInside(this.bottomContainer);this.closeLink=new Element("a").setProperties({id:"lbCloseLink",href:"#"}).injectInside(this.bottom);this.closeLink.onclick=this.overlay.onclick=this.close.bind(this);this.closeLink.setStyle("background","transparent url("+this.options.closeLinkImage+") no-repeat center");this.caption=new Element("div").setProperty("id","lbCaption").injectInside(this.bottom);this.number=new Element("div").setProperty("id","lbNumber").injectInside(this.bottom);new Element("div").setStyle("clear","both").injectInside(this.bottom);var j=this.nextEffect.bind(this);this.fx={overlay:this.overlay.effect("opacity",{duration:500}).hide(),resize:this.center.effects({duration:this.options.resizeDuration,transition:this.options.resizeTransition,onComplete:j}),image:this.image.effect("opacity",{duration:500,onComplete:j}),bottom:this.bottom.effect("margin-top",{duration:400,onComplete:j})};this.preloadPrev=new Image();this.preloadNext=new Image()},click:function(d){if(d.rel.length==8){return this.show(d.href,d.title)}var c,b,a=[];this.anchors.each(function(e){if(e.rel==d.rel){for(c=0;c<a.length;c++){if(a[c][0]==e.href){break}}if(c==a.length){a.push([e.href,e.title]);if(e.href==d.href){b=c}}}},this);return this.open(a,b)},show:function(a,b){return this.open([[a,b]],0)},open:function(a,b){this.images=a;this.position();this.setup(true);this.top=window.getScrollTop()+(window.getHeight()/15);this.center.setStyles({top:this.top+"px",display:""});this.fx.overlay.start(0.8);return this.changeImage(b)},position:function(){this.overlay.setStyles({top:window.getScrollTop()+"px",height:window.getHeight()+"px"})},setup:function(a){var c=$A(document.getElementsByTagName("object"));if(window.ie){c.extend(document.getElementsByTagName("select"))}c.each(function(d){d.style.visibility=a?"hidden":""});var b=a?"addEvent":"removeEvent";window[b]("scroll",this.eventPosition)[b]("resize",this.eventPosition);document[b]("keydown",this.eventKeyDown);this.step=0},keyboardListener:function(d){if(d==null){var a=d.keyCode}else{var a=d.which}var c=String.fromCharCode(a).toLowerCase();var b=0;for(b=0;b<this.options.nextKeys.length;b++){if(this.options.nextKeys[b]==c){this.next()}}for(b=0;b<this.options.prevKeys.length;b++){if(this.options.prevKeys[b]==c){this.previous();break}}for(b=0;b<this.options.closeKeys.length;b++){if(this.options.closeKeys[b]==c){this.close();break}}switch(d.keyCode){case 27:case 88:case 67:case 83:this.close();break;case 37:case 80:case 90:this.previous();break;case 39:case 78:case 87:this.next()}},previous:function(){return this.changeImage(this.activeImage-1)},next:function(){return this.changeImage(this.activeImage+1)},changeImage:function(a){if(this.step||(a<0)||(a>=this.images.length)){return false}this.step=1;this.activeImage=a;this.bottomContainer.style.display=this.prevLink.style.display=this.nextLink.style.display="none";this.fx.image.hide();this.center.className="lbLoading";this.preload=new Image();this.preload.onload=this.nextEffect.bind(this);this.preload.src=this.images[a][0];return false},nextEffect:function(){switch(this.step++){case 1:this.center.className="";this.image.style.backgroundImage="url("+this.images[this.activeImage][0]+")";this.image.style.width=this.bottom.style.width=this.preload.width+"px";this.image.style.height=this.prevLink.style.height=this.nextLink.style.height=this.preload.height+"px";this.caption.setHTML(this.images[this.activeImage][1]||"");this.number.setHTML((this.images.length==1)?"":this.options.imageNrDesc+" "+(this.activeImage+1)+" "+this.options.imageNrSep+" "+this.images.length);if(this.activeImage){this.preloadPrev.src=this.images[this.activeImage-1][0]}if(this.activeImage!=(this.images.length-1)){this.preloadNext.src=this.images[this.activeImage+1][0]}if(this.center.clientHeight!=this.image.offsetHeight){this.fx.resize.start({height:this.image.offsetHeight});break}this.step++;case 2:if(this.center.clientWidth!=this.image.offsetWidth){this.fx.resize.start({width:this.image.offsetWidth,marginLeft:-this.image.offsetWidth/2});break}this.step++;case 3:this.bottomContainer.setStyles({top:(this.top+this.center.clientHeight)+"px",height:"0px",marginLeft:this.center.style.marginLeft,display:""});this.fx.image.start(1);break;case 4:if(this.options.animateCaption){this.fx.bottom.set(-this.bottom.offsetHeight);this.bottomContainer.style.height="";this.fx.bottom.start(0);break}this.bottomContainer.style.height="";case 5:if(this.activeImage){this.prevLink.style.display=""}if(this.activeImage!=(this.images.length-1)){this.nextLink.style.display=""}this.step=0}},close:function(){if(this.step<0){return}this.step=-1;if(this.preload){this.preload.onload=Class.empty;this.preload=null}for(var a in this.fx){this.fx[a].stop()}this.center.style.display=this.bottomContainer.style.display="none";this.fx.overlay.chain(this.setup.pass(false,this)).start(0);return false}};Window.onDomReady(Lightbox.init.pass(new Array(fileLoadingImage,fileBottomNavCloseImage,nextLinkImage,previousLinkImage,resizeDuration,resizeTransition,imageNrDesc,imageNrSep,nextKeys,prevKeys,closeKeys),Lightbox));